218119580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9677}}^1$

素因数の和:9723

約数の個数: 72

約数和(自身を含む): 556059168

約数和(自身を除く): 337939588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 9677, 11270, 19354, 22540, 38708, 48385, 67739, 96770, 135478, 193540, 222571, 270956, 338695, 445142, 474173, 677390, 890284, 948346, 1112855, 1354780, 1557997, 1896692, 2225710, 2370865, 3115994, 4451420, 4741730, 6231988, 7789985, 9483460, 10905979, 15579970, 21811958, 31159940, 43623916, 54529895, 109059790, 218119580]

約数ペア:

[(1, 218119580), (2, 109059790), (4, 54529895), (5, 43623916), (7, 31159940), (10, 21811958), (14, 15579970), (20, 10905979), (23, 9483460), (28, 7789985), (35, 6231988), (46, 4741730), (49, 4451420), (70, 3115994), (92, 2370865), (98, 2225710), (115, 1896692), (140, 1557997), (161, 1354780), (196, 1112855), (230, 948346), (245, 890284), (322, 677390), (460, 474173), (490, 445142), (644, 338695), (805, 270956), (980, 222571), (1127, 193540), (1610, 135478), (2254, 96770), (3220, 67739), (4508, 48385), (5635, 38708), (9677, 22540), (11270, 19354)]